【Taiwan Cement】Our company launches feasibility study for capital market fundraising options (including IPO or other fundraising schemes) for important subsidiary TCC Dutch Holdings B.V.

1. Date of occurrence of the event: 2026/05/04 2. Company name: Taiwan Cement Corporation 3. Relationship with the company (please enter “our company” or “subsidiary”): Our company 4. Mutually held shares percentage: Not applicable 5. Reason for the occurrence: To accelerate the group's transformation into a global sustainable infrastructure enterprise, our company today announced the initiation of a strategic evaluation for capital market fundraising (including listing, private placement, and other possible schemes) for its Dutch subsidiary, TCC Dutch Holdings B.V. (hereinafter referred to as TCC Dutch). TCC Dutch encompasses cement and energy industries, including operations in Turkey, Portugal, and Africa, as well as new energy platforms NHOA Energy and Atlante. Its business is strategically positioned in attractive and continuously growing markets, benefiting from long-term trends such as energy transition, decarbonization, and reconstruction demand. To support the continued development of TCC Dutch, strengthen its strategic focus, and enhance its financial flexibility, our company intends to evaluate the feasibility of its initial public offering (IPO), private placement, or other capital market fundraising methods on appropriate overseas stock exchanges. 6. Countermeasures: The group has appointed international financial advisors to assist in the feasibility evaluation of the aforementioned schemes. This evaluation is still in its preliminary stage. If concrete schemes emerge in the future, they will be implemented only after being submitted to the Board of Directors for resolution in accordance with relevant regulations and the company's internal procedures. There is no guarantee that any transaction will ultimately proceed, nor can the specific timing or terms of any transaction be determined at this time. Our company will provide further updates in accordance with relevant laws and regulations at an appropriate time. 7. Other matters to be specified (if the event or resolution pertains to a public offering company or above, this material information also conforms to Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholders' equity or securities prices): None